>Cities grow around something. In the past, that "something" has generally been a point-specific natural resource that can be exploited. Natural harbors, conflu

>Cities grow around something. In the past, that "something" has generally been a point-specific natural resource that can be exploited. Natural harbors, confluences of rivers, mines, etc. Sometimes cities grow around point-specific artificial resources like crossroads. They can also grow around political and religious motivations like the Massachusetts Bay Colony, Las Vegas, Salt Lake City, the utopian experiment of New Harmony, Indiana, etc.